Controlling device for striking-pneumatics.



N0- 829,382. PATBNTED AUG. 28,1906. G. BILLAU.

GGNTRGLLING DEVICE FOR STRIKING PNEUMATIGS.

APPLICATION rum) nov. a. 1905.

UNITED STAEEb PATENT OFFICE.

GEORGE BILLAU, OF CLEVELAND, OHIO. CONTROLLING DEVICE FOR STRIKING-PNEUMATICS.

Specification of Letters Patent.

Patented Aug. 28, 1906.

Application filed November 8,1906. SerialNo. 286.341.

clare the following to be a full, clear, and exact description, such as will enable others skilled in the art to which it appertains to make and use the same.

The objects of the invention are to provide an action-valve and valve-chamber for the striking-pneumatic of an automatic pi'anolayer which will be quicker in action, noiseese, will not obstruct by tortuous openings the free passage oi" air, and also a form of construction in which the valve cannot stick or become retarded in action.

A further object is to dispense with a large common exhaust chamber inclosing the valve-chambers, to provide separate cells for the pouches, which are controlled by the tracker-board, and, further, to provide a device of great simplicity and uniformity of ac-.

tion in which all parts are readily accessible to the operator and the diil erent component parts of the valve, and primary pneumatic (:onlrolling chambers and pouch-cells are in.- terrhan 'eable and when worn or injured can readily be replaced or adjusted without disniantling' the entire machine.

The invention consists in an individual controllirig-chamber for each striking-pneumatic having valve-controlled openings for an inlet and exhaust and anindividualpouchcell for each chamber having an exhaustopening and an inlet opening from the tracker-duct leading into the pouch.

The invention further consists in separable parts folthe chamber and cell, whereby the valves and pouch may readily for adjustment or repair, and in the peculiar form of balanced \QtlVP-SUPPOI'E, whereby the greatest possible sensiiivcness is obtained and quickest possible response to the action of thcpourh.

'lbc invention further consists in the combination and arrangement of parts and con struration ol" details, a borcinal'tcr described, shown in the a(mom ninying drawings, and specifically pointed out in the claims.

In the acrom )anying drawings, l ig'nre l is an elevation of the device. showing the tracker board in transverse section and showing one complete controlling set of be rem (Wed 1 striking-pneumatics, controllin chamber,

pouch-cell, and connections witi the main exhaust chamber, tracker duct, and key. Fig. 2 is a perspective view of board containin Y a number of the chambers and attached ce ls. Fig. 3 is an enlarged vertical section of the controlling-chamber and pouch-cell, showing the separable forms of chamber and cell, the pouch and its connections, and the I balanced valve in the controlhn -chamber.

In the figures, 1 is the c0ntroll1ng-chan1ber, which is provided with a the striking-pneumatic 3. This chamber is i preferably shallow and flat or disk-shaped, 1 and the back or cover 4 slips over the other portion, so that it can readily be taken apart. In the cover 4 are two openings 5 and 6, one, 5, for air-inlet from the outer air and the l other, 6, for exhaust leading to the main ex haust-chamber and bellows. In the controlling-chamber centrally placed between the I openings 5 and 6 is seen the projcctin hear- I l pipe 2, leading to ing 8, upon which the arm 9 is centra ybalanced, so that the slightest pressure would turn it either way, and upon its extremities are the valves 10 and 11, which re ister, respectively, with the openings 5 an 6. Upon the cover of the controlling-chamberis shown a cell 12, in which is placed the pouch 13. Into this cell leads from the rear the tube 14, communicating with a tracker-duct 15 and from the lower edge of the chamber leads the tube 16, communicating with the main exhaust-chamber. This cell is in open communication with the controlling chamber 1 through the opening 6 when the valve is raised, and there is also free communication between this chamber and the tube 16 when the valve is raised.

An adjusta blc extension 18 upon the valve 6 engages the flexible diaphragm 1.) of the l pouch, so that the slightest action of the diai phragm is instantly responded to' by the l l valve. The bleed-hole 20 upon the pouch serves to perfect the vacuum in the trackerduct. There should be an exact proportion observed between the size of the bleed-hole l and the tracker-duct to insure immediate rospouse of the pouch. The cell is separable i also, and the pouch and duct to the tracker- 1 board and tube leading to the main cxhaustl chamber are attached to the cover 21, so that 1 all can readily be removed for inspect ion. I The device is extremely simple, and the controllixw-chamber and pouch-ccll can be made oi s ieet metal or wood and easily put together. The several chambers in the instrument can be set upon a common supportingbar by inserting therein the tubes leading to pneumatics, as shown in Fig. 2.

The advantages of the invention are obvious in dispensing meumatics and an additional inclosing exaustwhamber and in avoiding the inconvenience of attaching the pouches to the inner wall of an inclosing chamber, where the parts are inaccessible.

The valves are made ad'ustable in relation to their seats by means of screws 25 and 26, since the promptness of this action depends upon their fine adjustment. The screw 26 extends beyond the valve, and a pad 18 at its and engages the diaphragm.

Having described the invention, What I claim as new, and desire to secure by Letters Patent is 1. The combination with a strikingpneumatic, of an individual separable controllingchamber therefor, having openings in ire side to exhaust and outer air, and an open ng to said pneumatic in the other side, valves located within said chamber, a balanced arm pivoted within said chamber to the extremil l l with one complete set of her side ties of which the valves are attached a pouchcell mounted upon the back of the controllin -chambcr, over the said exhaust-opening, a detachable cover for said cell, an exhaustpipe inserted in said cell, a pouch on the inof said cover, and a tracker-board and duct leadin to said pouch, substantially as describe 2. In combination with a striking-pneumatic, a separable or divisible controllingchamber, having openings in its faces, one upon one side leading to said pneumatic and two upon the other side, balanced valves controlling the two openings on one side and located within the chamber, a divisible pouchcell mounted over one of said two openings in one side of the chamber, an exhaust-tube leading therefrom, a ouch upon the cover of said cell and a traclier duct leading therefrom, substantially as described.

In testimony whereof I hereunto set my hand this 27th day of October, 1905.

GEORGE BILLJAU.

Witnesses:

WM. M. MONROE, GEO. S. COLE. 

